package edu.task.service;

import edu.task.model.SysMsg;
import edu.task.model.vo.SysMsgVO;

import java.util.List;

public interface SysMsgService {
    List<SysMsg> selectMsgList();

    SysMsg selectMsgById(Long msgId);

    List<SysMsg> selectMsgByUserId(Long userId);

    boolean updateMsg(SysMsgVO msg);

    int deleteMsgById(Long msgId);

    int deleteMsgByIds(Long[] msgIds);
}
